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词汇
PCM
释义
PCM
1. 脉码调变；脉冲编码调变（=pulse code modulation）
在资料通信中，用数学信号的变化来表示资讯。例如，透过诸如PAM（脉冲幅度调变）、PDM（脉宽调变）和脉冲相位调变等。
2.
卡片打孔机，打卡机（=punched card machine）
随便看
program offering
program operator
program optimization
program-oriented language
program origin
program package
program parameter
program patch
program patching plug
program preparation aids
program preparation facilities
program product
program production time
program read-in
program reference table
program register
program relocation
program request
program request count
program required credentials
program run
program scheduler
program segment
program selected terminal
program selection
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更新时间：2025/10/14 19:06:53